#!/usr/bin/env zsh
set -e
alias db="dropbox_uploader"

rm -r lib
db download py/lib >/dev/null

if [ ! -d .git ]; then
    git init >/dev/null
    [ -e version ] && rm version
    git add .gitignore '*' '**/*'
else
    git add -u
    changes="$(git status --porcelain | wc -l)"
    [ "$changes" -eq 0 ] && exit 0
fi

if [ -s version ]; then
    read -r version < version
else
    version=0
fi

let version++ || true # -e mode doesn't like this normally
echo $version > version

git commit -m "update $version" . >/dev/null